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instagram-data-modeling
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2021-03-25
11:11:28
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为Instagram创建数据库模型 在src/models.py文件中,您将找到几个描述示例数据库的类。 这是一个4分钟的视频,解释什么是UML: : 我们将为Instagram数据库创建实体关系图,该图与该图非常相似: :fire: 您可以首次使用此免费工具练习图表: : :laptop: 安装方式 进入环境$ pipenv shell 安装所有依赖项$ pipenv install 根据需要生成图表次数$ python src/models.py 打开文件diagram.png来检查您的UML图! :memo: 指示 您的工作是使用复制instagram数据模型所需的代码更新src/models.py文件。 该项目正在使用SQLAlchemy Python库生成数据库。 您认为instagram的数据库上可能有哪些表格:例如:帖子,用户等? 用户内部应具有哪些属性? 还是在Post表内?
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